NASA’s SR-1 Freedom Advances with Progress on Nuclear Power Module

Source: NASA Science · 2026-10-20T18:11:33.000Z · Science

Destined for Mars and beyond, NASA’s Space Reactor-1 (SR-1) Freedom will be humanity’s first fission-powered spacecraft to travel outside Earth’s orbit. Announced during NASA’s “Ignition” event, this mission will demonstrate nuclear electric propulsion in deep space, and progress is underway on its key element: the nuclear power module. To expedite development of the spacecraft, NASA […]

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